72 Charles E. Besscy 



pels ; ovules many. Asclcpias, Enslcnia, Ccropcgia, Stapclia, 

 Hoy a. (Pf. IV, 2^ 189.) 



Order Scrophulariales. Corolla mostly irregular or oblique ; 

 stamens fewer than the corolla-lobes, usually 4 or 2 ; ovules nu- 

 merous ; fruit mostly capsular. 



Family 177. Scrophulariaceae. Herbs (or shrubs and small 

 trees) with alternate, opposite, or whorled leaves; ovary 2-celled 

 with an axile placenta; seeds with endosperm. Vcrbascuni, LAn- 

 aria. Antirrhinum^ Maurandia, CoUinsia, Scrophularia, Miniulus, 

 Veronica, Digitalis, Gerardia, Castilleia, Pcdicidaris. (Pf. IV, 



3b, 39-) 



Family 178. Bignoniaceae. Trees, shrubs (and herbs) with 

 opposite or whorled leaves; ovary i- or 2-celled with parietal or 

 axile placentae, seeds numerous without endosperm. Bignonia, 

 Catalpa, Tecoma. (Pf. IV, 3b, 189.) 



Family 179. Pedaliaceae. Herbs with mostly opposite leaves; 

 ovary i-, 2-, or 4-celled with axile placentae; seeds i to many, 

 with but little endosperm. Pedalium, Sesamam. (Pf. IV, 3b, 



253-) 



Family 180. Martyniaceae. Herbs with mostly opposite 



leaves, and perfect, irregular flowers ; ovary with parietal pla- 

 centae. Martynia. (Pf. IV, 3b, 265.) 



Family 181. Orobanchaceae. Leafless parasitic herbs, ovary 

 i-celled; placentae parietal; ovules minute, numerous. Oro- 

 banche, Thalesia, Conopholis. (Pf. IV, 3b, 123.) 



Family 182. Gesneraceae. Tropical and subtropical herbs, 

 shrubs (and trees) with usually opposite leaves; ovary i-celled, 

 with 2 parietal placentae ; seeds numerous ; endosperm scanty or 

 o. Strcptocarpus, Gcsnera, Gloxinia. (Pf. IV, 3b, 133.) 



Family 183. Columelliaceae. South America trees and shrubs 

 with opposite, evergreen leaves ; ovaiy 2-celled, with an axile 

 placenta. Columellia. (Pf. IV, 3b, 186.) 



Family 184. Lentibulariaceae. Aquatic or marsh herb? with 

 radical or alternate leaves; ovary i-celled with a globose basilar 

 placenta. Pinguicnla, Utriculnria. (Pf. IV. 3b, 108.) 



Family 185. Globulariaceae. Shrulis and undershrubs or ever- 

 green herbs, with alternate leaves, and a terminal capitate cluster 



346 



